20
0 3 0 2 3 6 3 9 2 6 2 9 2 5 2 4 5 10 3 9
0 0 0 5 0 7 6 6 4 5 10 2 8 1 6 5 6 6 3 0
0 0 0 0 8 0 8 9 0 0 6 0 5 2 7 8 6 0 8 0
0 0 0 0 0 3 1 0 0 7 0 8 10 3 9 2 0 9 8 0
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0 0 0 0 0 0 0 0 0 0 4 0 5 10 9 10 2 5 3 9
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